11854888840850 has 48 divisors (see below), whose sum is σ = 24116484749760. Its totient is φ = 4299786667200.

The previous prime is 11854888840849. The next prime is 11854888840909. The reversal of 11854888840850 is 5804888845811.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27490862 + ... + 27918761.

It is an arithmetic number, because the mean of its divisors is an integer number (502426765620).

Almost surely, 2^{11854888840850} is an apocalyptic number.

11854888840850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11854888840850 is an abundant number, since it is smaller than the sum of its proper divisors (12261595908910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11854888840850 is a wasteful number, since it uses less digits than its factorization.

11854888840850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55410035 (or 55410030 counting only the distinct ones).

The product of its (nonzero) digits is 104857600, while the sum is 68.

The spelling of 11854888840850 in words is "eleven trillion, eight hundred fifty-four billion, eight hundred eighty-eight million, eight hundred forty thousand, eight hundred fifty".